What's an Arduino Go?
collects data maybe the odd small photo and uploading it to a server
What type of data? How fast?
bigger keypad different screen RFID
What has all this got to do with "collects data maybe the odd small photo and uploading it to a server"?
I think you should spell out exactly what you need to do, for example I don't know any Arduinos that have an "etc" 
Rob